CN213360758U

CN213360758U - Corrosion-resistant screw and nut

Info

Publication number: CN213360758U
Application number: CN202022171230.8U
Authority: CN
Inventors: 赵金涛
Original assignee: Jiangsu Shuangjin Fastener Manufacturing Co ltd
Current assignee: Jiangsu Shuangjin Fastener Manufacturing Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-06-04
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a corrosion-resistant screw and nut, including gasket, bolt piece, nut and screw rod, the bottom fixedly connected with bolt piece of screw rod, swing joint has the nut on the lateral wall of screw rod, the internally mounted of screw rod has additional strengthening, and additional strengthening includes interior cavity, first connection piece, strengthening rib, reinforcing bar packing granule and second connection piece, the internally mounted of screw rod has interior cavity. The utility model discloses an internally mounted at the screw rod has additional strengthening, cavity in the internally mounted of screw rod during the use, and install equidistant range distribution's strengthening rib on the inside wall of interior cavity, the inner wall of interior cavity supports and consolidates, it is more stable to make its inner structure, and the inside residual space of interior cavity all fills there is the reinforcing bar to fill the granule, it is bigger to make interior internal structure intensity of cavity bigger with the strengthening rib cooperation, it is better to make the screw rod internal structure quality, effective connection bears, the life of screw rod has been prolonged.

Description

Corrosion-resistant screw and nut

Technical Field

The utility model relates to a screw nut technical field specifically is a corrosion-resistant screw and nut

Background

Screw nut is a connecting piece, and it is more to use in the installation between building connection and daily device is fixed, and traditional screw and nut use the outer wall for a long time and easily receive wearing and tearing, and internal structure intensity greatly uses the screw nut of durable of high quality when now needing a use, but current screw nut has many problems or defect:

traditional corrosion-resistant screw and nut are stable inadequately when using inner structure intensity, connect during the use and bear stable inadequately, long-term service loss life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a corrosion-resistant screw and nut to solve the problem that nut and screw inner structure intensity proposed are not big enough among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a corrosion-resistant screw and nut, includes gasket, chock, nut and screw rod, the bottom fixedly connected with chock of screw rod, swing joint has the nut on the lateral wall of screw rod, the internally mounted of screw rod has additional strengthening, and additional strengthening includes interior cavity, first connection piece, strengthening rib, reinforcing bar packing granule and second connection piece, the internally mounted of screw rod has interior cavity, and installs first connection piece on the inside wall of interior cavity, install the second connection piece on the inside wall of interior cavity, and install the strengthening rib between second connection piece and the first connection piece, the inside of interior cavity is provided with the reinforcing bar packing granule.

Preferably, one end of the bolt block is provided with an inner groove, and the outer side wall of the inner groove is provided with a force application groove.

Preferably, the inside of nut is provided with the inside groove, and is provided with the internal thread on the inside wall of inside groove, install the external screw thread on the lateral wall of screw rod, and external screw thread and internal thread be threaded connection, the internal diameter of inside groove is greater than the external diameter of screw rod.

Preferably, the outer side wall of the screw is provided with a zinc coating, and the zinc coating is uniformly coated and distributed on the outer side wall of the screw.

Preferably, a gasket is installed on the outer side wall of the screw rod, a buffer rubber pad is installed on the outer side wall of the screw rod, and the inner diameters of the gasket and the buffer rubber pad are both larger than the outer diameter of the screw rod.

Preferably, the reinforcing steel bar filling particles are uniformly filled and distributed in the inner cavity, and the reinforcing ribs are arranged and distributed in the inner cavity at equal intervals.

Compared with the prior art, the beneficial effects of the utility model are that: this corrosion-resistant screw and nut is rational in infrastructure, has following advantage:

(1) the reinforcing structure is arranged in the screw, the inner cavity is arranged in the screw during use, reinforcing ribs which are distributed at equal intervals are arranged on the inner side wall of the inner cavity, the inner wall of the inner cavity is supported and reinforced, the inner structure of the inner cavity is more stable, reinforcing steel bar filling particles are filled in the residual space in the inner cavity, and the reinforcing steel bar filling particles are matched with the reinforcing ribs to increase the strength of the inner structure of the inner cavity, so that the quality of the inner structure of the screw is better, the screw is effectively connected and supported, and the service life of the screw is prolonged;

(2) the outer wall of the screw is wrapped and protected by the zinc-plated coating which is uniformly coated and arranged on the outer side wall of the screw, so that the outer wall of the screw is prevented from being in contact with air and oxidized and corroded, and the outer side wall of the screw is also provided with the gasket and the buffer rubber pad;

(3) through the one end at the latch piece be provided with the inner groovy, and the inside of inner groovy is provided with the application of force groove, through this setting can distinguish with traditional smooth surface latch piece, can have the point of application of force when making the latch piece application of force fastening, make its fastening and break away from more convenient.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic front view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the front cross-sectional structure of the reinforcing structure of the present invention;

fig. 4 is a schematic bottom view of the present invention.

In the figure: 1. a zinc plating coating; 2. an external thread; 3. a gasket; 4. a bolt block; 5. a cushion rubber pad; 6. a nut; 7. a screw; 8. a reinforcing structure; 801. an inner cavity; 802. a first connecting piece; 803. reinforcing ribs; 804. filling particles in the steel bars; 805. a second connecting sheet; 9. an inner tank; 10. an internal thread; 11. an inner groove; 12. a force application groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a corrosion-resistant screw and nut comprises a gasket 3, a bolt block 4, a nut 6 and a screw 7, wherein the bolt block 4 is fixedly connected to the bottom end of the screw 7, an inner groove 11 is formed in one end of the bolt block 4, a force application groove 12 is formed in the outer side wall of the inner groove 11, the inner groove 11 is formed in one end of the bolt block 4, the force application groove 12 is formed in the inner groove 11, and the bolt block 4 can be distinguished from a traditional smooth surface bolt block 4 through the arrangement, so that a force application point can exist when the bolt block 4 is applied with force and fastened, and the bolt block 4 can be fastened and detached more conveniently;

the outer side wall of the screw 7 is provided with the zinc-plated coating 1, the zinc-plated coating 1 is uniformly coated and distributed on the outer side wall of the screw 7, and the zinc-plated coating 1 uniformly coated is arranged on the outer side wall of the screw 7, so that the outer wall of the screw 7 can be wrapped and protected by the zinc-plated coating 1, and the outer wall of the screw 7 is prevented from being in contact with air, oxidized and corroded;

the outer side wall of the screw 7 is movably connected with a nut 6, an inner groove 9 is arranged inside the nut 6, an inner thread 10 is arranged on the inner side wall of the inner groove 9, an outer thread 2 is arranged on the outer side wall of the screw 7, the outer thread 2 and the inner thread 10 are in threaded connection, and the inner diameter of the inner groove 9 is larger than the outer diameter of the screw 7, so that the threaded transmission is more convenient;

the outer side wall of the screw 7 is provided with the gasket 3, the outer side wall of the screw 7 is provided with the buffer rubber pad 5, the inner diameters of the gasket 3 and the buffer rubber pad 5 are both larger than the outer diameter of the screw 7, the gasket 3 and the buffer rubber pad 5 are also arranged on the outer side wall of the screw 7, the arrangement ensures that the screw 6 and the screw 7 cannot be locked and damaged when in threaded fastening contact, certain buffer exists when the screw is used, and the screw 7 and the nut 6 are effectively protected;

a reinforcing structure 8 is arranged inside the screw 7, the reinforcing structure 8 comprises an inner cavity 801, a first connecting piece 802, a reinforcing rib 803, reinforcing steel bar filling particles 804 and a second connecting piece 805, the inner cavity 801 is arranged inside the screw 7, the first connecting piece 802 is arranged on the inner side wall of the inner cavity 801, the second connecting piece 805 is arranged on the inner side wall of the inner cavity 801, the reinforcing rib 803 is arranged between the second connecting piece 805 and the first connecting piece 802, and the reinforcing steel bar filling particles 804 are arranged inside the inner cavity 801;

reinforcing steel bar filling particles 804 are uniformly filled and distributed in the inner cavity 801, and reinforcing ribs 803 are arranged and distributed at equal intervals in the inner cavity 801;

specifically, as shown in fig. 1 and 3, during use, the reinforcing structure 8 is installed inside the screw 7, the inner cavity 801 is installed inside the screw 7 during use, the reinforcing ribs 803 which are distributed in an equidistant arrangement are installed on the inner side wall of the inner cavity 801, the inner wall of the inner cavity 801 is supported and reinforced, the inner structure of the inner cavity is more stable, reinforcing steel bar filling particles 804 are filled in the residual space inside the inner cavity 801, the strength of the inner structure of the inner cavity 801 is higher by matching with the reinforcing ribs 803, the quality of the inner structure of the screw 7 is better, the screw 7 is effectively connected and supported, and the service life of the screw 7 is prolonged.

The working principle is as follows: when the screw 7 is used, the screw 7 is taken out to complete installation and insertion of the structural members, firstly, the reinforcing structure 8 is installed inside the screw 7, the inner cavity 801 is installed inside the screw 7 when the screw is used, the reinforcing ribs 803 which are distributed at equal intervals are installed on the inner side wall of the inner cavity 801, the inner wall of the inner cavity 801 is supported and reinforced, the inner structure of the inner cavity 801 is more stable, reinforcing steel bar filling particles 804 are filled in the residual space inside the inner cavity 801, the strength of the inner structure of the inner cavity 801 is higher by matching with the reinforcing ribs 803, the quality of the inner structure of the screw 7 is better, the screw 7 is effectively connected and supported, and the service life of the screw 7;

secondly, the outer wall of the screw 7 is provided with the uniformly coated zinc coating 1, the zinc coating 1 can wrap and protect the outer wall of the screw 7, the outer wall of the screw 7 is prevented from being in contact with air to be oxidized and corroded, the outer wall of the screw 7 is also provided with the gasket 3 and the buffer rubber pad 5, due to the arrangement, locking damage cannot be caused when the nut 6 is in threaded fastening contact with the screw 7, certain buffer exists in use, and the screw 7 and the nut 6 are effectively protected;

finally, through being provided with inner groovy 11 in the one end of chock 4, and the inside of inner groovy 11 is provided with application of force groove 12, can distinguish with traditional smooth surface chock 4 through this setting, can have the point of application of force when making the fastening of the chock 4 application of force, make it fasten and break away from more convenient.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a corrosion-resistant screw and nut, includes gasket (3), bolt piece (4), nut (6) and screw rod (7), its characterized in that: bottom fixedly connected with bolt piece (4) of screw rod (7), swing joint has nut (6) on the lateral wall of screw rod (7), the internally mounted of screw rod (7) has additional strengthening structure (8), and additional strengthening structure (8) include interior cavity (801), first connection piece (802), strengthening rib (803), reinforcing bar packing granule (804) and second connection piece (805), the internally mounted of screw rod (7) has interior cavity (801), and installs first connection piece (802) on the inside wall of interior cavity (801), install second connection piece (805) on the inside wall of interior cavity (801), and install strengthening rib (803) between second connection piece (805) and first connection piece (802), the inside of interior cavity (801) is provided with reinforcing bar packing granule (804).

2. A corrosion resistant screw and nut as defined in claim 1, wherein: one end of the bolt block (4) is provided with an inner groove (11), and the outer side wall of the inner groove (11) is provided with a force application groove (12).

3. A corrosion resistant screw and nut as defined in claim 1, wherein: the nut is characterized in that an inner groove (9) is formed in the nut (6), an inner thread (10) is formed in the inner side wall of the inner groove (9), an outer thread (2) is installed on the outer side wall of the screw rod (7), the outer thread (2) and the inner thread (10) are in threaded connection, and the inner diameter of the inner groove (9) is larger than the outer diameter of the screw rod (7).

4. A corrosion resistant screw and nut as defined in claim 1, wherein: the outer side wall of the screw rod (7) is provided with a zinc-plated coating (1), and the zinc-plated coating (1) is uniformly coated and distributed on the outer side wall of the screw rod (7).

5. A corrosion resistant screw and nut as defined in claim 1, wherein: install gasket (3) on the lateral wall of screw rod (7), install cushion rubber pad (5) on the lateral wall of screw rod (7), the internal diameter of gasket (3) and cushion rubber pad (5) all is greater than the external diameter of screw rod (7).

6. A corrosion resistant screw and nut as defined in claim 1, wherein: the reinforcing steel bar filling particles (804) are uniformly filled and distributed in the inner cavity (801), and the reinforcing ribs (803) are arranged and distributed in the inner cavity (801) at equal intervals.